<template>
	<view class="themeItem">
		<navigator url="/pages/classlist/classlist" :id="item._id" class="box" v-if="!isMore">
			<image class="pic" :src="item.picurl" mode="aspectFill"></image>
			<view class="mask">{{item.name}}</view>
			<view class="tab">{{compareTimestamp(item.updateTime)}}前更新</view>
		</navigator>
		
		<!-- 更多(分类页面) -->
		<navigator open-type="reLaunch" url="/pages/classify/classify" class="box more" v-else>
			<image class="pic" src="../../common/images/small211830eJKkT1721135910.jpg" mode="aspectFill"></image>
			<view class="mask">
				<uni-icons type="more-filled" size="34" color="#fff"></uni-icons>
				<view class="text">更多</view>
			</view>
		</navigator>
		
	</view>
</template>

<script setup>
	import {compareTimestamp} from '@/utils/common.js'
	defineProps({
		isMore:{
			type:Boolean,
			default:false
		},
		item:{
			type:Object,
			default:()=>{
				return {
					name: '默认名称',
					picurl: '../../common/images/small211830eJKkT1721135910.jpg',
					updateTime: Date.now() - 1000 * 60 * 60 *5
				}
			}
		}
	})
</script>

<style lang="scss" scoped>
.themeItem{
	.box{
		height: 340rpx;
		border-radius: 10rpx;
		overflow: hidden;
		position: relative;
		.pic{
			width: 100%;
			height: 100%;
		}
		.mask{
			width: 100%;
			height: 70rpx;
			//#####将文字定位到背景图下面
			position: absolute;
			bottom: 0;
			left: 0;
			//#########################
			background-color: rgba(0,0,0,0.2);
			color: #fff;
			display: flex;
			align-items: center;
			justify-content: center;
			//########磨砂半透明##########
			backdrop-filter: blur(20rpx);
			//###########################
			font-weight: 600;
			font-size: 30rpx;
		}
		
		.tab{
			position: absolute;
			left: 0;
			top: 0;
			background-color: rgba(250,129,90,0.7);
			backdrop-filter: blur(20rpx);
			color: #fff;
			font-size: 22rpx;
			padding: 6rpx 14rpx;
			border-radius: 0 0 20rpx 0;
			font-weight: 600;
			transform: scale(0.8);
			transform-origin: left top;
		}
	}
	
	.box.more{
		.mask{
			width: 100%;
			height: 100%;
			flex-direction: column;
		}
		.text{
			font-size: 28rpx;
		}
	}
}
</style>